Product Details | CHECK VALVE

4820-00-266-9518 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: C35685, C-35685, C356853IN, C35685-3IN, MILV17547, 1281002300, 1281-002-300, 1281N3IN, 45002, 4820-00-266-9518, 00-266-9518, 4820002669518, 002669518

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-266-9518

Drawings & Photos | NSN 4820-00-266-9518


Demand History | NSN 4820-00-266-9518

Part Number Request Date QTY Origin
1281-002-300 2025-09-245 9 DIBBS
1281-002-300 2025-08-233 9 DIBBS
1281-002-300 2025-01-23 7 DIBBS
1281-002-300 2024-09-263 7 DIBBS
1281-002-300 2023-05-145 8 DIBBS
1281-002-300 2021-12-339 4 DIBBS
1281-002-300 2021-07-199 5 DIBBS
45002 2021-06-172 10 MY
1281-002-300 2021-03-87 7 DIBBS
1281-002-300 2020-04-121 8 DIBBS
1281-002-300 2019-06-178 12 DIBBS
4820-00-266-9518 2018-03-88 7 DIBBS
4820-00-266-9518 2017-10-299 1 DIBBS-RFPs
4820-00-266-9518 2017-08-215 6 DIBBS
4820-00-266-9518 2016-01-26 5 DIBBS
4820-00-266-9518 2014-06-170 7 DIBBS
4820-00-266-9518 2014-06-159 7 DIBBS
4820-00-266-9518 2013-01-16 1 TW
45002 2011-04-102 48 United States
4820-00-266-9518 2011-01-24 2 DIBBS
4820-00-266-9518 2010-11-306 7 DIBBS

Cross Reference | NSN 4820-00-266-9518

Part Number Cage Code Manufacturer
1281-002-300 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
1281N3IN 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
45002 55511 GARTON ENGINEERING INC
C-35685 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
C35685-3IN 76364 MILWAUKEE VALVE COMPANY, INC. DBA HAMMOND
MILV17547 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4820-00-266-9518

Characteristic Specifications
MATERIAL COPPER ALLOY BODY NICKEL ALLOY SEAT
STYLE DESIGNATOR A2 STRAIGHT THRU
FACE TO FACE DISTANCE 9.000 INCHES
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHOD AUTOMATIC
CONNECTION TYPE FLANGE 1ST END
FLANGE SHAPE ROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER 6.625 INCHES 1ST END
NOMINAL THICKNESS 0.625 INCHES 1ST END
BOLT HOLE QUANTITY 8 1ST END
BOLT HOLE NOMINAL DIAMETER 0.562 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER 5.500 INCHES 1ST END
FLANGE FACE DESIGN PLAIN 1ST END
MOUNTING POSITION HORIZONTAL OR VERTICAL
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILV17547

Restrictions/Controls & Freight Information | NSN 4820-00-266-9518

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-00-266-9518

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each